apperceive

apperceived

apperceives

apperceiving

apperception

apperceptions

apperceptive

appertain

appertained

appertaining

appertains

backslapper

backslappers

bootstrapper

bootstrappers

capper

cappers

catnapper

catnappers

clapper

clapperclaw

clapperclawed

clapperclawing

clapperclaws

clappers

dapper

dapperer

dapperest

dapperly

dapperness

didapper

didappers

dognapper

dognappers

flapper

flappers

handicapper

handicappers

kidnapper

kidnappers

knapper

knappers

lapper

lappered

lappering

lappers

mapper

mappers

napper

nappers